Projects / Henry

Henry

Henry is an educational astrometry utility for performing calculations based on a Hertzsprung-Russel (H-R) diagram, such as spectroscopic parallax for working out the distance to a given star. Unlike many other solutions that use in-built images for their H-R diagrams, Henry plots data directly from the European Space Agency's HIPPARCOS catalog, allowing increased accuracy while also giving students greater room to experiment by exploring the catalogue themselves.

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  •  24 Jan 2008 05:45

    Release Notes: A mysteriously missing tab in the query dialog on 0.20 was fixed. Regexp support was added to queries. Full LZMA (de)compression support was added so that data files can be made much smaller.

    •  23 Jan 2008 08:18

    Release Notes: Custom stars are now fully supported, as they were in the C# branch, with improvements in user interface and additional formulae added. Multiple windows can be opened simultaneously for comparisons, improvements have been made to color handling in plots, usability in queries, and plotting speed has been improved slightly. Bugs with color changing and custom stars have been closed.

    •  22 Jan 2008 02:32

    No changes have been submitted for this release.

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